623 
DICLINIA AMENTACE^, AlnUS, 
Betula Alnus. Sp.pl. 1394. 
Icon. Engl. hot. \50Q. Loes. pruss. t. 
On the banks of rivers, in the interior of Canada, and 
on the north-west coast. \i . April, v. v. A large 
tree, known every where under the name of Alder. 
2. A. foliis oblongis acutis basi rotundatis duplicato-serratls, 
petiolis venisque subtus pilosis, axillis venamni nudis, 
stipulis ovato-oblongis. 
A. undulata. Witld. sp. pi. 4. p. 336. 
Betula Alnus crispa. Mich.Ji. amer. 2. p. 181. 
Betula crispa. Ait. hew. 3. p. 33Q. 
In Canada and on high mountains, in sphagnous swamps, 
of Pensylvania. . April, v. v. A shrub not above 
three or four feet high. 
3. A. foliis obovatis acuminatis venis et axillis venarum sub- 
tus pilosis, stipuiis ellipticis obtusis. Willd. sp. pi. 4. 
p. 336. 
Betula serrulata. Ait. hew, 3. p. 338. 
Betula rugosa. Ehrh. beitr. 3. p. 21. 
Icon. Allot, insect. 2. t. Q2. Wangh. amer. 
Jn swamps and on river sides j common every where. 
Tj . March, v. v. A shrub from six to ten feet high, 
growing in close thickets. 
6g6. CARPINUS. Gen.pl. U4g. 
X. C. foliis oblongo-ovatis acuminatis inaequaliter serratis, 
strobilorura squamis tripartitis, lacinia intermedia ob- 
liqua ovato-laiiceolata uno latere dentata. — Willd. sp. 
pi. 4. p. 408. 
C. virginiana. Mich. arl. 3. t. 8. 
In shady woods and hedges ; Canada to Florida, ^ . 
May. V. V. This species of Hornbeam resembles the 
European very much, and its wood is of the same 
qualities : it rises to about fifteen feet high. 
697. OSTRYA. Mich. gen. 223. 
1. O. foliis ovato-oblongis basi subcordatis acuminatis inse- 
qualiter serratis, strobilis oblongo-ovatis erectis, gemi- 
nis acutis. — Willd. sp. pi. 4, p. 46g 
Carpinus virginiana. Ait. hew. 3. p. 363. 
Icon. Allot, insect. 2. p. 151. t. 75. Pluh. aim. t. 150. 
/. 1. 
Ip shady woods : New England to Carolina, Tj . May, 
crispa 
serrulata. 
amerkana. 
virginica. 
